global fame to draw attention to what he says is a real-life threat to indigenous native indians in canada. he travelled to tar sands of alberta. air the jath size of england it is currently mined for crude oil but cameron says the mining produces toxic lagoons that leak contaminated water into the environment. the u.s. state department is currently considering whether to okay a 2,000-mile pipeline that would run from the tar sands in canada all the way to refineries in southern texas. james cameron, who of course won't academy award for best picture with "titanic" joins me live via skype from edmonton, alberta it is good to see you, i'm very curious about. this i know when you went, you said you were going to keep an open mind. i'm curious that at this point, what you've seen, what you think about this project. >> yeah, well i think i did keep an open mind and i did learn a lot. it didn't change my overall kind of framing opinions about tar sands and certainly about oil in general. but i certainly learned a lot of specifics and areas even quite hopeful that -- if the appropriate caution i